US4741862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zeolite built detergent compositions
Assignee: Dow Silicones Corp
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Filing: 1986-08-22
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Granted: 1988-05-03
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Expires: 2006-08-22
Abstract
Abstract Particulate detergent compositions suitable for heavy duty laundry applications are disclosed. The detergents contain organic surfactant, zeolite, alkali silicate, anionic functional organosiliconate, and complexing agent for trivalent aluminum. The combined action of the siliconate and the complexing agent provide long lasting improvments in the dissolution characteristics of the detergent particles in wash water.
Inventors
- 👤 Jeffrey A. Kosal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:35
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/08; C11D3/12; C11D3/124; C11D3/1246; C11D3/128; C11D3/16; C11D3/162
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
177 words
A particulate detergent composition comprising (A) 5 to 50 parts by weight of an organic surfactant selected from the group consisting of anionic, nonionic and ampholytic surfactants; (B) 5 to 50 parts by weight of zeolite; (C) 1 to 25 parts by weight of a silicate represented generally by the formula (MO).sub.n Sio.sub.(4-n)/2 wherein M is hydrogen or alkali metal and n has an average value from 0.5 to 3; (D) 0.1 to 5 parts by weight of siliconate represented generally by the formula (MO).sub.a O.sub.(3-a)/2Si--R--Y.sub.b wherein Y represents an anionic functional group, R is an organic linking group wherein Y is positioned at least 2 carbon atoms removed from the silicon atom, b is an integer from 1 to 3, a has a value of from 0.5 to 3, and M is hydrogen or alkali metal; and (E) 0.1 to 5 parts by weight of a complexing agent for trivalent aluminum selected from the group consisting of water soluble alkali metal halide salts, polycarboxylic acid chelating agents, alpha-hydroxy carboxylic acid chelating agents, and polyhydroxy chelating agents.
Claim 2
Dependent Claim
177 words
A particulate detergent composition comprising (A) 5 to 50 parts by weight of an organic surfactant selected from the group consisting of anionic, nonionic and ampholytic surfactants; (B) 5 to 50 parts by weight of zeolite; (C) 1 to 25 parts by weight of a silicate represented generally by the formula (MO).sub.n Sio.sub.(4-n)/2 wherein M is hydrogen or alkali metal and n has an average value from 0.5 to 3; (D) 0.1 to 5 parts by weight of siliconate represented generally by the formula (MO).sub.a O.sub.(3-a)/2Si--R--Y.sub.b wherein Y represents an anionic functional group, R is an organic linking group wherein Y is positioned at least 2 carbon atoms removed from the silicon atom, b is an integer from 1 to 3, a has a value of from 0.5 to 3, and M is hydrogen or alkali metal; and (E) 0.1 to 5 parts by weight of a complexing agent for trivalent aluminum selected from the group consisting of water soluble alkali metal halide salts, polycarboxylic acid chelating agents, alpha-hydroxy carboxylic acid chelating agents, and polyhydroxy chelating agents.
Claim 3
Dependent Claim
32 words
The detergent composition of claim 1 which further comprises 5 to 50 parts by weight of an auxiliary builder selected from the group consisting of alkali tripolyphosphates, alkali phosphates, and alkali carbonates.
Claim 4
Dependent Claim
40 words
The detergent composition of claim 1 wherein the anionic functional group is an alkali metal salt of an oxyacid selected from the group consisting of alkali metal salts of sulfonic acids, phosphonic acids, monoesters of phosphonic acids and carboxylic acids.
Claim 5
Dependent Claim
23 words
The detergent composition of claim 3 wherein the anionic functional siliconate is represented by the formula ##STR5## wherein M is hydrogen or sodium.
Claim 6
Dependent Claim
60 words
The detergent composition of claim 3 wherein b is 2 or 3 and the organic linking group, R, contains 2 to 16 carbon atoms and is selected from the group consisting of radicals composed of carbon and hydrogen; radicals composed of carbon, hydrogen, and oxygen; radicals composed of carbon, hydrogen, and sulfur; and radicals composed of carbon, hydrogen, and nitrogen.
Claim 7
Dependent Claim
30 words
The detergent composition of claim 5 wherein Y is an alkali metal salt of a carboxylic acid group and R is a radical composed of carbon, hydrogen and nitrogen atoms.
Claim 8
Dependent Claim
31 words
The detergent composition of claim 6 wherein the anionic functional siliconate is represented by the formula ##STR6## wherein M is independently selected from the group consisting of hydrogen, sodium, and potassium.
Claim 9
Dependent Claim
20 words
The detergent composition of claim 7 wherein the complexing agent is 1,2-cyclohexylenedinitrilotetraacetic acid or a sodium salt of 1,2-cyclohexylenedinitrilotetraacetic acid.
Claim 10
Dependent Claim
12 words
The detergent composition of claim 7 wherein the complexing agent is 2-ethyl-1,3-hexanediol.
Claim 11
Dependent Claim
152 words
A particulate detergent composition comprising (A) 5 to 50 parts by weight of an organic surfactant selected from the group consisting of anionic, nonionic and ampholytic surfactants; (B) 5 to 50 parts by weight of zeolite; (C) 1 to 25 parts by weight of a silicate represented generally by the formula (MO).sub.n SiO.sub.(4-n)/2 wherein M is hydrogen or alkali metal and n has an average value from 0.5 to 3; (D) 0.1 to 5 parts by weight of siliconate represented generally by the formula (MO).sub.a O.sub.(3-a)/2Si--R--Y.sub.b wherein Y represents an anionic functional group, R is an organic linking group wherein Y is positioned at least 2 carbon atoms removed from the silicon atom, b is an integer from 1 to 3, a has a value of from 0.5 to 3, and M is hydrogen or alkali metal; and (E) 0.1 to 5 parts by weight of a water soluble alkali halide salt.
Claim 12
Dependent Claim
152 words
A particulate detergent composition comprising (A) 5 to 50 parts by weight of an organic surfactant selected from the group consisting of anionic, nonionic and ampholytic surfactants; (B) 5 to 50 parts by weight of zeolite; (C) 1 to 25 parts by weight of a silicate represented generally by the formula (MO).sub.n SiO.sub.(4-n)/2 wherein M is hydrogen or alkali metal and n has an average value from 0.5 to 3; (D) 0.1 to 5 parts by weight of siliconate represented generally by the formula (MO).sub.a O.sub.(3-a)/2Si--R--Y.sub.b wherein Y represents an anionic functional group, R is an organic linking group wherein Y is positioned at least 2 carbon atoms removed from the silicon atom, b is an integer from 1 to 3, a has a value of from 0.5 to 3, and M is hydrogen or alkali metal; and (E) 0.1 to 5 parts by weight of a water soluble alkali halide salt.
Claim 13
Dependent Claim
15 words
The detergent composition of claim 10 wherein the alkali halide salt is an alkali fluoride.
Claim 14
Dependent Claim
13 words
The detergent composition of claim 11 wherein the alkali fluoride is sodium fluoride.
Claim 15
Dependent Claim
32 words
The detergent composition of claim 12 which further comprises 5 to 50 parts by weight of an auxiliary builder selected from the group consisting of alkali tripolyphosphates, alkali phosphates, and alkali carbonates.
Claim 16
Dependent Claim
40 words
The detergent composition of claim 12 wherein the anionic functional group is an alkali metal salt of an oxyacid selected from the group consisting of alkali metal salts of sulfonic acids, phosphonic acids, monoesters of phosphonic acids and carboxylic acids.
Claim 17
Dependent Claim
23 words
The detergent composition of claim 14 wherein the anionic functional siliconate is represented by the formula ##STR7## wherein M is hydrogen or sodium.
Claim 18
Dependent Claim
60 words
The detergent composition of claim 14 wherein b is 2 or 3 and the organic linking group, R, contains 2 to 16 carbon atoms and is selected from the group consisting of radicals composed of carbon and hydrogen; radicals composed of carbon, hydrogen, and oxygen; radicals composed of carbon, hydrogen, and sulfur; and radicals composed of carbon, hydrogen, and nitrogen.
Claim 19
Dependent Claim
30 words
The detergent composition of claim 16 wherein Y is an alkali metal salt of a carboxylic acid group and R is a radical composed of carbon, hydrogen and nitrogen atoms.
Claim 20
Dependent Claim
31 words
The detergent composition of claim 17 wherein the anionic functional siliconate is represented by the formula ##STR8## wherein M is independently selected from the group consisting of hydrogen, sodium, and potassium.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-05-03 | 1991-11-02 | 1992-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-03 | 1995-11-02 | 1996-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-03 | 1999-11-02 | 2000-05-03 | $7700.00 | Window Closed / Lapsed |